Specifications for modified aggressive air sampling in common spaces, including sample counts based on square footage and equipment setup.
NYC-WTC_000140318Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
d. Common spaces will be sampled using modified aggressive techniques (20 inch fans). For small spaces, less than 160 square feet, 3 samples will be collected. For large spaces greater than 160 square feet and less than 25,000 square feet 5 samples will be collected. For spaces greater than 25,000 square feet, 1 sample will be collected for each 5,000 square feet. Sampling equipment shall be placed away from obstructions. The sampling cassette must be placed on a tripod directed downward at a 45 degree angle and not taped to existing surfaces. e. Air samples shall be collected in accordance with the procedures specified in NIOSH Method 7400 for PCM and 7402 for TEM. Air^^nplin^pumps need to be monitored to ensure pumps are not clogging by monitoring flo\< rates, the minimum sample volume required is 3600 liters. f. The contractor shall document all the necessary ii^Biatiun regarding s.inipling activities, fill out all field logs, data sheets, and ehain-of-ciKtody forms. The contractor shall use F2L for all sample and chain-ot-custody documentation. Samples must be labeled and accompanied with completed chain of custody forms before shipping to the designated laboratory. The label must include the EPA Project Tracking Number. Samples will be palled, scaled and shipped to EPA Contract Laboratory for analysis. g- All infonnation must be maintained using the secure EPA website(url, user name and password to be provided by EPA). Dates for monitoring and/or cleaning shall be provided to EPA electronically in an EPA approved format within 24 hours. Infonnation on sampling activities (date, sample ID) shall be provided to EPA, via the website, within 24 hours of completion of sampling.
Deliverables
rhe Project Monitor! shall rex lew all deliverables prior to submission to EPA. The review shall assure that each1 delivunible is accurate and complete, technically sound, and free of clerical errors.
The_» __ ■n, • or shall record equipment used to collect the sample (leaf blower, fan, etc.) Project. inonm and size of space daily in the field notebook. In addition, date, start and completion dates for the cleaning, sample media, flow media type, flow rates (start/final, flow rate (average), time (start/finish), Total elapsed time (min), calculated sample volume (L), pump fault, weather, units, QC samples (iot blank ) sampling dates and sample identification numbers sample IDs, complete chain of custody, EPA Project Tracking Numbers and laboratory address shall be entered into an agreed upon electronic format or website approved by EPA within 24 hours ofatlivity.
20. Pre-cleaning and Post-cleaning Wipe Sampling Procedures
a. The Project Monitor will collect pre and post-cleanup wipe samples at 5 percent of the residences cleaned up to a maximum of 50 units per quadrant as instructed by EPA. This sampling will consist of the collection of 3 pre clean-up and 3 post clean-up wipe samples for total metals and mercury (Note; a separate wipe sample is require for
NYC-WTC_000140318
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NYC-WTC_000140626
Draft scope of work for WTC debris/dust residential cleanup program with compliance requirements and regulatory overview.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140322
Procedures for collecting and documenting wipe samples using HUD Appendix 13.1 specifications, F2L documentation, sample labeling requirements, and laboratory analysis at EMSL.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.931
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140430
Draft contract detailing EPA and DEP collaboration on residential dust sampling and cleaning services for residents south of Canal Street.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.928
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140399
Draft outlining the direct assistance program for residents south of Canal Street, including cleaning and asbestos sampling services.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.928
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140306
Procedures for obtaining work authorization, monitoring residential and HVAC cleaning, and reporting hazardous conditions to EPA.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.925
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140330
Details project scope for scheduling, coordinating, and monitoring dust and debris cleanup with air sampling from apartments affected by World Trade Center collapse.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.925
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.935
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163360
Technical specifications for air quality monitoring work at two Manhattan buildings.
3 shared non-person entities · 1 shared topics · similarity 0.932
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139560
Updated WTC monitoring scope of work including technical notes on dust control methods and equipment.
3 shared non-person entities · 1 shared topics · similarity 0.932
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · 1 shared topics · similarity 0.930
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153557
Document outlining scope of work for asbestos abatement contractor and environmental monitoring at 125 Cedar Street.
3 shared non-person entities · 1 shared topics · similarity 0.927
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138725
EPA transmits revised scopes of work for WTC indoor cleaning and monitoring contracts to DEP.
3 shared non-person entities · 1 shared topics · similarity 0.927
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NYC-WTC_000140280
Document header reiterating the requirement to preserve World Trade Center documents for potential legal proceedings against the City.
Filed in the same folder
Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.
Filed in the same folder
NYC-WTC_000140283
Contract excerpt specifying data submission protocols, laboratory delivery instructions, and monitoring responsibilities for the WTC project.
Filed in the same folder
NYC-WTC_000140284
Addendum to a City contract requiring contractors to handle property claims and authorizing additional financial retainage for performance security.
Filed in the same folder
NYC-WTC_000140286
Review comments on a proposed scope of work document regarding the roles of technicians and monitors in the World Trade Center cleanup process.
Filed in the same folder